Triple

T9249146
Position Surface form Disambiguated ID Type / Status
Subject Yurtec Stadium Sendai E222274 entity
Predicate formerName P65 FINISHED
Object Sendai Stadium
Sendai Stadium, now known as Yurtec Stadium Sendai, is a football and athletics stadium in Sendai, Japan, serving as the home ground for local professional soccer clubs.
E789257 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Sendai Stadium | Statement: [Yurtec Stadium Sendai, formerName, Sendai Stadium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sendai Stadium
Context triple: [Yurtec Stadium Sendai, formerName, Sendai Stadium]
  • A. Tokyo Stadium
    Tokyo Stadium is a multi-purpose sports venue in Chōfu, Tokyo, primarily used for football and rugby matches and known for hosting both domestic league games and international tournaments.
  • B. Setsoto Stadium
    Setsoto Stadium is a multi-purpose national sports venue in Maseru, Lesotho, primarily used for football matches and major public events.
  • C. Meiji Jingu Stadium
    Meiji Jingu Stadium is a historic baseball stadium in Tokyo, Japan, known as one of the country’s oldest professional ballparks and a prominent venue for Nippon Professional Baseball games.
  • D. National Kasumigaoka Stadium
    National Kasumigaoka Stadium is a historic sports venue in Tokyo, Japan, best known as the former national stadium that hosted major football matches and athletics events, including the 1964 Summer Olympics.
  • E. Sapporo Dome
    Sapporo Dome is a multi-purpose stadium in Sapporo, Japan, best known for hosting baseball and football matches as well as major international sporting events.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Sendai Stadium
Triple: [Yurtec Stadium Sendai, formerName, Sendai Stadium]
Generated description
Sendai Stadium, now known as Yurtec Stadium Sendai, is a football and athletics stadium in Sendai, Japan, serving as the home ground for local professional soccer clubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sendai Stadium
Target entity description: Sendai Stadium, now known as Yurtec Stadium Sendai, is a football and athletics stadium in Sendai, Japan, serving as the home ground for local professional soccer clubs.
  • A. Tokyo Stadium
    Tokyo Stadium is a multi-purpose sports venue in Chōfu, Tokyo, primarily used for football and rugby matches and known for hosting both domestic league games and international tournaments.
  • B. Setsoto Stadium
    Setsoto Stadium is a multi-purpose national sports venue in Maseru, Lesotho, primarily used for football matches and major public events.
  • C. Meiji Jingu Stadium
    Meiji Jingu Stadium is a historic baseball stadium in Tokyo, Japan, known as one of the country’s oldest professional ballparks and a prominent venue for Nippon Professional Baseball games.
  • D. National Kasumigaoka Stadium
    National Kasumigaoka Stadium is a historic sports venue in Tokyo, Japan, best known as the former national stadium that hosted major football matches and athletics events, including the 1964 Summer Olympics.
  • E. Sapporo Dome
    Sapporo Dome is a multi-purpose stadium in Sapporo, Japan, best known for hosting baseball and football matches as well as major international sporting events.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca841d2b18819089f9faf5b2c2aec0 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd05f6d62c8190a1e33f1854767b47 completed April 1, 2026, 11:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0b1d046ac81908deffb4215bbeb82 completed April 4, 2026, 6:38 a.m.
NEDg Description generation batch_69d0b2e45674819091c7e1102c8844a5 completed April 4, 2026, 6:42 a.m.
NED2 Entity disambiguation (via description) batch_69d0b36590088190a92401d5f6c4c947 completed April 4, 2026, 6:44 a.m.
Created at: March 30, 2026, 7:31 p.m.